(19)

(11)

EP 2 185 473 A2

(12)

(88) Date of publication A3: 24.09.2009 (43) Date of publication: 19.05.2010 Bulletin 2010/20 (21) Application number: 08789775.7 (22) Date of filing: 10.08.2008

(51) International Patent Classification (IPC):  C01F 5/24(2006.01) C01B 31/24(2006.01) C01F 11/18(2006.01) C01D 3/06(2006.01) (86) International application number: PCT/IL2008/001100 (87) International publication number: WO 2009/019709 (12.02.2009 Gazette 2009/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 09.08.2007 US 954871 P (71) Applicant: Ecochemtech, Ltd. Tzemach Jordan Valley 15132 (IL)	(72) Inventor: FLAKS, Salomon 97350 Jerusalem (IL) (74) Representative: Jennings, Tara Romaine  FRKelly 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)